#!/usr/bin/python
import os,random
location="/media/4Download/Download/wallpaperChanged/"
lists=os.listdir(location)
file=location+lists[random.randint(0,len(lists)-1)]
#file=location+lists[-1]
cmd="/usr/bin/pcmanfm --set-wallpaper=\""+file+"\""
#print cmd
os.system(cmd)
